GB2112910B - Hydrostatic transmissions - Google Patents

Hydrostatic transmissions

Info

Publication number
GB2112910B
GB2112910B GB08300567A GB8300567A GB2112910B GB 2112910 B GB2112910 B GB 2112910B GB 08300567 A GB08300567 A GB 08300567A GB 8300567 A GB8300567 A GB 8300567A GB 2112910 B GB2112910 B GB 2112910B
Authority
GB
United Kingdom
Prior art keywords
hydrostatic transmissions
hydrostatic
transmissions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08300567A
Other versions
GB2112910A (en
GB8300567D0 (en
Inventor
Karlmann Hamma
Unal Gazyakan
Friedrich Ehrlinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of GB8300567D0 publication Critical patent/GB8300567D0/en
Publication of GB2112910A publication Critical patent/GB2112910A/en
Application granted granted Critical
Publication of GB2112910B publication Critical patent/GB2112910B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4043—Control of a bypass valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4148—Open loop circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
GB08300567A 1982-01-08 1983-01-10 Hydrostatic transmissions Expired GB2112910B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3200329A DE3200329C2 (en) 1982-01-08 1982-01-08 Switching device for hydrostatic transmissions

Publications (3)

Publication Number Publication Date
GB8300567D0 GB8300567D0 (en) 1983-02-09
GB2112910A GB2112910A (en) 1983-07-27
GB2112910B true GB2112910B (en) 1986-05-08

Family

ID=6152744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08300567A Expired GB2112910B (en) 1982-01-08 1983-01-10 Hydrostatic transmissions

Country Status (4)

Country Link
JP (1) JPS58121348A (en)
DE (1) DE3200329C2 (en)
GB (1) GB2112910B (en)
IT (1) IT1174965B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3610174A1 (en) * 1985-04-03 1986-10-16 Zahnradfabrik Friedrichshafen Hydrostatic drive system
DE3606237C2 (en) * 1986-02-26 1994-01-13 Htf Hydraulik Vertriebsgesells Double travel brake valve
GB8814338D0 (en) * 1988-06-16 1988-07-20 Autosteer Controls Ltd Improvements relating to winching apparatus
US5197283A (en) * 1989-12-04 1993-03-30 Hitachi Construction Machinery Co., Ltd. Hydraulic-motor drive circuit system with anti-cavitation control
DE9013488U1 (en) * 1990-09-25 1990-12-06 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen, De
DE4213799C1 (en) * 1992-04-27 1993-07-15 Brueninghaus Hydraulik Gmbh, 7240 Horb, De
US5546752A (en) * 1995-02-23 1996-08-20 Hydro-Gear Ltd. Partnership Combination valve including improved neutral valve for use in hydrostatic transmission
JPH09317879A (en) * 1996-05-27 1997-12-12 Komatsu Ltd Back pressure control circuit for hydraulic driving device
FR2781532B1 (en) * 1998-07-22 2000-10-13 Poclain Hydraulics Ind VALVE DEVICE FOR A HYDRAULIC MOTOR CAPABLE OF DRIVING A LARGE INERTIA MASS
US6735943B1 (en) 1998-12-30 2004-05-18 Hydro-Gear Limited Partnership Bypass for a hydraulic device
US7275371B1 (en) 1998-12-30 2007-10-02 Hydro-Gear Limited Patnership Bypass for a hydraulic device
US6145312A (en) 1998-12-30 2000-11-14 Hydro-Gear Limited Partnership Electro-mechanical bypass for hydrostatic transmission
US7007467B1 (en) 1998-12-30 2006-03-07 Hydro-Gear Limited Partnership Bypass for a hydraulic device
KR100594851B1 (en) * 2002-04-30 2006-07-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Hydraulic breaking circuit
FR2860560B1 (en) 2003-10-03 2008-02-22 Poclain Hydraulics Ind OPEN HYDRAULIC CIRCUIT COMPRISING A DELTA VALVE DEVICE
US7296594B1 (en) 2005-03-22 2007-11-20 Hydro-Gear Limited Partnership Combination check valve and neutral valve assembly for use in a hydraulic component
US7451780B1 (en) 2005-05-16 2008-11-18 Hydro-Gear Limited Partnership Multifunction valve for use in a hydraulic component
DE102006040459B4 (en) * 2005-09-07 2012-12-13 Terex Demag Gmbh Hydraulic control circuit
FR3033613B1 (en) * 2015-03-13 2017-04-14 Poclain Hydraulics Ind INTEGRATED RETARDER ON HYDRAULIC SUPPORT CIRCUIT

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1947385U (en) * 1965-04-12 1966-10-06 Bucher Johann Maschf HYDROSTATIC DRIVE WITH ROTATING HYDROMOTOR.
DE2220571C2 (en) * 1972-04-26 1982-11-18 Linde Ag, 6200 Wiesbaden Brake control for a hydrostatic transmission

Also Published As

Publication number Publication date
IT8346804A0 (en) 1983-01-07
JPS58121348A (en) 1983-07-19
DE3200329A1 (en) 1983-07-21
DE3200329C2 (en) 1986-05-28
GB2112910A (en) 1983-07-27
GB8300567D0 (en) 1983-02-09
IT1174965B (en) 1987-07-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee